R-989

View detailed technical data, stock status, and sourcing information for: R-989
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-202-5618

Item Name Code

22534

Assigment Date

03/04/1985 (41 years ago)

A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.

copper alloy material, for use in warren 3/4 cvc-5 pump end item identification

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

End Item Identification: for use in warren 3/4 cvc-5 pump
Material: copper alloy

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
R-989	Wearing Ring
R-989 PIECE 8	Wearing Ring

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4320-01-202-5618?

The FSCG of the NSN 4320-01-202-5618 is 4320

Does the NSN 4320-01-202-5618 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-01-202-5618 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4320-01-202-5618 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-202-5618 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4320-01-202-5618 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Mon, Mar 4, 1985